2205025123 has 4 divisors (see below), whose sum is σ = 2520028720. Its totient is φ = 1890021528.

The previous prime is 2205025073. The next prime is 2205025129. The reversal of 2205025123 is 3215205022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215205022 = 2 ⋅1607602511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205025123 is a prime.

It is a super-2 number, since 2×2205025123² = 9724271586122330258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2205025094 and 2205025103.

It is not an unprimeable number, because it can be changed into a prime (2205025129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157501788 + ... + 157501801.

It is an arithmetic number, because the mean of its divisors is an integer number (630007180).

Almost surely, 2^2205025123 is an apocalyptic number.

2205025123 is a deficient number, since it is larger than the sum of its proper divisors (315003597).

2205025123 is an equidigital number, since it uses as much as digits as its factorization.

2205025123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315003596.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2205025123 is about 46957.6950349993. The cubic root of 2205025123 is about 1301.5809411217.

It can be divided in two parts, 220502 and 5123, that added together give a square (225625 = 475²).

The spelling of 2205025123 in words is "two billion, two hundred five million, twenty-five thousand, one hundred twenty-three".